查询词典 zinc

This paper has carried out careful thorough research according to the EDTA basic principle of the content of zinc in titration mensuration lead zinc mine, for its mensuration condition , has given steady, reliable analysis method and operating step , can offer guidance and basis for the inspection of lead mine in mining, metallurgical profession laboratory.

本论文根据EDTA滴定法测定铅锌矿中锌的含量的基本原理，对其测定条件进行了细致深入的研究，给出了稳定、可靠的分析方法和操作步骤，可为矿山、冶金行业化验室中铅锌矿的检验提供指导和依据。

The company was founded in 1993, the company area more than 12 million square meters, existing staff 358 people, technical personnel 52 people, mainly the production of "Tian Shan" brand series of steel ball (0.5 mm -100 mm), stainless steel beads (0.1 mm -- 150 mm), bearing steel ball (0.8 mm -150 mm), hollow ball, copper ball, aluminum ball, the ball of pure zinc, metal-coated ball (chromium, nickel, copper, zinc, gold, silver, etc.), drilling the ball , with an average annual production capacity of 1300 tons, according to GB308 - 89, as well as the United States ANSI / AFBMA standards that will provide you with a range of Products at level 5 -1000 between the aerospace industry are the automotive industry, precision instruments, gauges, motorcycle , bicycles, bearings, medical equipment and food machinery industries ideal accessory products.

本公司成立于1993年，公司面积12多万平方米，现有员工358人，技术人员52人，主要生产&天山&牌系列碳钢钢珠(0.5毫米-100毫米)，不锈钢珠(0.1毫米-150毫米)，轴承钢钢珠(0.8毫米-150毫米)，空心球，铜球，纯铝球，纯锌球，镀金属球(铬，镍，铜，锌，金，银等)，钻孔球，年均生产能力1300吨，根据GB308--89以及美国ANSI/AFBMA标准，可向您提供产品精度范围在5级-1000级之间，是航空航天工业汽车工业，精密仪器，仪表，摩托车，自行车，轴承，医疗器械和食品机械等行业理想的配套产品。

In terms of function, our rivets include semi-tubular rivets, solid rivets, non-standard rivets and screws and so on; in terms of materials, include brass, aluminium, stainless steel and various kinds of plating, such as nickel, bronze, zinc an black zinc according to customers' requirement.

我厂生产的铆钉按功能来分，包括半空心铆钉、实心铆钉、非标准铆钉及螺钉等；按照材料来分，可分为铜铆钉、铝铆钉、不锈钢铆钉等，可有多样化的电镀品种，如镍、青铜、锌、黑锌等电镀。

A PVC/PNBR TPE was prepared based on PVC and powdered NBR using magnesium hydroxide as flame retardant,and the influence of the flame-retardant synergists,such as diantimony trioxide(Sb_2O_3),zinc borate,ammonium heptomolybdate,zinc oxide and manganese dioxide(MnO_2) on the properties of above TPE was investigated.

以PVC和粉末丁腈橡胶为主体材料，氢氧化镁为阻燃剂，制备PVC/PNBR共混型热塑性弹性体，研究阻燃协效剂三氧化二锑、硼酸锌、七钼酸铵、氧化锌和二氧化锰对弹性体性能的影响。

If Zinc is so good why aren't all sunscreens like INVISIBLE ZINC??

如果锌是那么好，为什么不是所有的防晒霜像无形锌？？

In a solid which is moderately low in available zinc, deep cuts may expose zinc-deficient subsoils

土壤中含有效锌转低时，深层耕翻会使缺锌的底土暴露出来。

In addition, non-tillage is superior to ploughing and subsoiling in retarding the contents of total iron, manganese, copper, and zinc, but in addition to manganese, the availability of iron, copper, and zinc is lower than the empress both.

不施肥情况下，小麦长期连作比轮作和玉米、大豆连作土壤中有机质、全氮、全磷下降幅度大，全量铁、锰、铜和锌则以轮作降幅最大。

In conclusion, seminal zinc concentration is correlated with sperm count and the duration of abstinence in subfertile men. In men with normozoospermic semen, high seminal zinc concentration may have an adverse effect on the ZPIAR.

本实验得出结论：生育力不足男性的精液锌浓度与精子数和禁欲时间相关；精子正常男性的高精液锌浓度可能对透明带诱导的顶体反应有副作用。

The formation mechanism of the cerium compounds on the zinc powder subst rate was preliminarily discussed , and the effect s of the cerium compounds on the cycle and discharge properties of the zinc elect rodes were also investigated.

L Ce (NO 3) 3溶液中成功制得含有铈化合物的锌基复合粉，探讨了铈化合物在锌粉基体上的形成机制，并研究了锌基复合粉中铈化合物对锌电极的循环放电性能的影响。

It is demonst rated that the cerium compounds on the zinc powder subst rate enhance the elect rochemical performance of the zinc elect rodes.

mAh.g - 1，表明在锌粉基体上形成的铈化合物可以改善锌电极的电化学性能。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。